67532563 has 4 divisors (see below), whose sum is σ = 77180080. Its totient is φ = 57885048.

The previous prime is 67532537. The next prime is 67532579. The reversal of 67532563 is 36523576.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67532563 is a prime.

It is a super-3 number, since 3×67532563³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67532513) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4823748 + ... + 4823761.

It is an arithmetic number, because the mean of its divisors is an integer number (19295020).

Almost surely, 2^67532563 is an apocalyptic number.

67532563 is a deficient number, since it is larger than the sum of its proper divisors (9647517).

67532563 is an equidigital number, since it uses as much as digits as its factorization.

67532563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9647516.

The product of its digits is 113400, while the sum is 37.

The square root of 67532563 is about 8217.8198447033. The cubic root of 67532563 is about 407.2281057271.

It can be divided in two parts, 6753 and 2563, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 67532563 in words is "sixty-seven million, five hundred thirty-two thousand, five hundred sixty-three".